@charset "utf-8";

body {
    background: #f5f5f5;
}
/* 视频列表样式 */
.container {
    width: 95%;
    min-width: 1200px;
    margin: 100px auto;
}
.container > .title {
    letter-spacing: 3px;
    font-weight: 250;
    color: gray;
    margin-bottom: 25px;
}

.video-list {
    display: flex;
    justify-content: space-between;
}
.video-list li {
    width: 24%;
    transition: all .25s linear;
}
.video-list li:hover {
    transform: translateY(-5px);
    box-shadow: 1px 1px 20px 1px lightgray;
}
.video-list .top-bar {
    height: 200px;
    background-size: cover !important;
    position: relative;
    cursor: pointer;
}
.video-list .top-bar img {
    width: 45px;
    position: absolute;
    left: 8px;
    bottom: 8px;
}


.video-list .infos {
    height: 160px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    letter-spacing: 2px;
}
.video-list .infos .title {
    line-height: 45px;
    cursor: pointer;
    transition: all .15s linear;
}
.video-list .infos .title:hover {
    color: #ff6700;
}

.video-list .infos  .des {
    font-size: 12px;
    color: lightslategray;
}

/* 遮罩样式 */
.mask {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .75);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: none;
}
.mask.show {
    display: block;
}

.mask .wrap {
    width: 900px;
    margin: 200px auto;
}
.mask .top {
    height: 65px;
    background: #f5f5f5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    padding: 0 20px;
}
.mask .title {
    font-size: 18px;
    font-size: #666666;
    letter-spacing: 2px;
}
.mask .close {
    width: 40px;
    height: 40px;

    text-align: center;
    line-height: 38px;

    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all .15s linear;
    border-radius: 50%;
}
.mask .close:hover {
    background: #ff6700;
    color: #ffffff;
}
.mask video {
    width: 100%;
    height: 500px;;
}